This library for reading and writing MIDI files, and for representing MIDI events, was originally written by students of Robert Strandh at Université Bordeaux I. It was then included in the Gsharp score editor, and was also posted to the alt.music.midi and comp.lang.lisp newsgroups. Subsequently, workers at Goldsmiths, University of London included it in their own projects, and took over the responsibility of distributing a copy usable by multiple projects.
The current maintainers are
The current version was released on June 18th, 2007, and is available here.
This library is distributed under the terms of the GNU LGPL.